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题名: Enhanced Catalytic Activities and Characterization of Ruthenium-Grafted Halogenous Hydroxyapatite Nanorod Crystallites
作者: Zhang, Yanjie1;  Wang, Junhu1;  Yin, Jie1, 2;  Zhao, Kunfeng1, 2;  Jin, Changzi1;  Huang, Yuying3;  Jiang, Zheng3;  Zhang, Tao1
通讯作者: 张涛
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2010-10-07
DOI: 10.1021/jp1039783
卷: 114, 期:39, 页:16443-16450
收录类别: SCI
文章类型: Article
部门归属: 1502
项目归属: 1502
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: The nanorod crystallites of ruthenium-grafted halogenous hydroxyapatite (RuXAp, X = F, Cl or Br) were newly developed through a facile method and identified as highly efficient catalysts for the aerobic oxidation of alcohols. Compared with RuHAp for selective oxidation of benzyl alcohol, the existence of F, Cl, and Br elements in hydroxyapatite dramatically enhanced the catalytic activity with a prominent selectivity of far more than 99%. In particular, the RuClAp and RuFAp catalysts, respectively, showed the excellent catalytic activity of TOF = similar to 233 and 210 h(-1), which was nearly 3 times higher than that of RuHAp. The RuFAp catalyst was furthermore demonstrated to be recyclable and available to be applied for various alcohols. On the basis of the DRIFT and XAFS results, the enhanced activities could be preliminarily ascribed to the electron-withdrawing effect of halogens and the greater amounts of active species existing in the surface of RuXAp compared with that of RuHAp.
关键词[WOS]: EFFICIENT HETEROGENEOUS OXIDATION ;  AEROBIC ALCOHOL OXIDATION ;  BOUND RU COMPLEX ;  MOLECULAR-OXYGEN ;  SELECTIVE OXIDATION ;  BENZYL ALCOHOL ;  CO ADSORPTION ;  SURFACE ;  FTIR ;  SPECTROSCOPY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000282209800050
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103315
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China

Recommended Citation:
Zhang, Yanjie,Wang, Junhu,Yin, Jie,et al. Enhanced Catalytic Activities and Characterization of Ruthenium-Grafted Halogenous Hydroxyapatite Nanorod Crystallites[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(39):16443-16450.
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